Michelle M. Barnett, MD

Medicare activity in 2024

Official CMS public-use data for Michelle M. Barnett, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)608 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)403 services
3. Blood glucose (sugar) test performed by hand-held instrument (82962)230 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)219 services
5. Telephone medical discussion with physician, 11-20 minutes (99442)164 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure72%
• High cholesterol71%
• Arthritis42%
• Diabetes24%
• Chronic kidney disease24%
• Anxiety22%

Hospitals where Michelle M. Barnett works

Medicare's Facility Affiliation Data lists Michelle M. Barnett at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Baystate Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220077
• Baystate Noble HospitalWestfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220065
• Holyoke Medical CenterHolyoke, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220024
• Mercy Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220066
• The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220015

Practice locations

Addresses where Michelle M. Barnett is enrolled with Medicare (CMS data updated October 2, 2026).

• 57 Union StWestfield, MA 01085 (413) 831‑7960

Group practices

Medicare enrollment lists Michelle M. Barnett as a member of this group (CMS data updated October 2, 2026).

• Baystate Medical Practices Inc1,369 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Westfield

Clinicians with the same Medicare primary specialty in Westfield, MA — not a recommendation.

• David J. Pierangelo, MD
• Charlotte H. Miller, MD
• Lance Reynolds, MD
• Riddhima V. Naik, MD
• Roula Elkhoury, MD
• Sarah O'Shea, MD
• Sarah L. Bashiruddin, MD

All internal medicine doctors in Westfield →

Other clinicians in Baystate Medical Practices Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Theodore B. Lefer, MD
• Stephen M. Fleet, MD
• Lynn Mutlu, PA
• Jahanara Urmy, MD
• Rachel Truland, MD
• John Romanelli, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians